FDA on Tuesday approved a nasal spray antidepressant derived from the anesthetic ketamine to treat adults with severe depression who do not respond to other treatments, but the agency included a boxed warning on the drug and has stipulated that it can only be administered in a health care facility.

HHS Secretary Alex Azar on Monday said CMS' Center for Medicare and Medicaid Innovation is looking to change how Medicare pays for dialysis treatments and to increase the number of kidneys that are available for transplant.

Amazon on Friday reportedly removed anti-vaccine documentaries from its video streaming service, following similar moves by Google and Facebook in response to letters from Rep. Adam Schiff (D-Calif.) that urged the companies to limit consumers' exposure to misinformation.

This fiscal year, 800 hospitals will face monetary penalties under Medicare's Hospital-Acquired Condition Reduction Program—the highest number since the program was established five years ago. See how hospitals fared with American Health Line's interactive pay-for-performance map.

Cannabidiol (CBD)-infused products are popping up everywhere from coffee shops to corner markets, promising to ease anxiety, soothe eczema, and even treat diabetes—but experts warn that these products are unregulated, and very little is known about CBD's medicinal effects or potential hazards.

FDA in a public safety notice published Thursday warned health care providers and patients that the agency has not approved the use of surgical robots for mastectomy procedures or the prevention and treatment of cancer.

Washington Gov. Jay Inslee (D) on Friday announced he is seeking the Democratic presidential nomination with a campaign focused on climate change, which he said "touches the heart of things so many of us care about: our jobs, our health, our safety and our children's future."